Disposable plastic spoon



FIG. 1 is a top, left side elevation view of a disposable plastic spoon, showing my new design;

FIG. 2 is a top view thereof; and

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof; and,

FIG. 6 is a rear view thereof.

The broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design. 

The ornamental design for a disposable plastic spoon, as shown and described. 